نتایج جستجو برای: seller and advance

تعداد نتایج: 16831473  

2008
SRIDHAR MOORTHY

Consider a seller who faces two customer segments with differing valuations of quality of a durable product. Demand is stationary and knos-n. the technology exists to release two products simultaneously, and the seller car1 commit in advance to subsequent prices and qualities. Should he introduce two differentiated products at once or one at a time? Undcr the simultaneous strategy, the lowcr qu...

Journal: :CoRR 2008
Florin Constantin Jon Feldman S. Muthukrishnan Martin Pál

Many advertisers (bidders) use Internet systems to buy advertisements on publishers’ webpages or on traditional media such as radio, TV and newsprint. They seek a simple, online mechanism to reserve ad slots in advance. On the other hand, media publishers (sellers) represent a vast and varying inventory, and they too seek automatic, online mechanisms for pricing and allocating such reservations...

Journal: :Journal of Industrial and Management Optimization 2023

<p style='text-indent:20px;'>The purpose of this paper is to study the impact bounded consumer rationality on order quantity and profitability seller in advance period spot context combination new retail pre-sale. In paper, we develop a model pre-sale, with without reference price dependence. Besides, considers cancellation delayed purchase behavior consumers. We then discuss optimal prof...

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this study examined the effect of prior knowledge and vocabulary teaching on iranian efl learners listening comprehension. the current study has two purposes: one is to investigate the effect of background knowledge on the second language listening comprehension of iranian intermediates and the other is to determine whether second language is facilitated by the introduction of unknown vocabularies in the form of prelistening activities. to conduct the study different instruments such as listening proficiency test and four listening tests such as pre and posttests were used and various statistical processes and techniques including paired-sample t-test, and analysis of variance (anova) were used. the findings of this study supported all three hypotheses tested. differences were found between the means of preteaching vocabulary variable, the background knowledge activation variable, and mean difference between these two strategies variable. subjects scored higher when the unknown words were taught in advance. likewise, subjects scored higher when they were asked some relevant questions about the topic than on those without them. there was, in addition, a significant difference between the means of preteaching vocabulary strategy and background knowledge activation strategy. in fact, preteaching vocabulary had a better effect in enhancing the students’ listening comprehension, in comparison to background knowledge activation strategy.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

Journal: :Inf. Sci. 2014
Kostas Kolomvatsos Christos Anagnostopoulos Stathes Hadjiefthymiades

Web business models typically rely on environments where entities, not known in advance, try to negotiate and agree on the purchase of products. Such environments are termed Electronic Markets (EMs). In EMs there are two main groups of entities: the buyers and the sellers. Intelligent agents can play the role of buyers and sellers as delegates of them. Agents, acting autonomously, can guarantee...

Journal: :Marketing Science 2010
Martin Spann Robert Zeithammer Gerald Häubl

Abstract Reverse pricing is a market mechanism under which a consumer’s bid for a product leads to a sale if the bid exceeds a hidden acceptance threshold the seller has set in advance. The seller faces two key decisions in designing such a mechanism: First, he must decide where in the process to collect the revenue—that is, whether to commit to a minimum markup above cost (and thus define the ...

Journal: :Mechanical Engineering 2009

2010
Josef Broder Paat Rusmevichientong

We consider a stylized dynamic pricing model in which a monopolist prices a product to a sequence of customers, who independently make purchasing decisions based on the price offered according to a logit choice model. The parameters of the logit model are unknown to the seller, whose objective is to determine a pricing policy that minimizes the regret, which is the expected difference between t...

Journal: :Games and Economic Behavior 2010
Damian S. Damianov Jörg Oechssler Johannes Gerd Becker

In the variable supply auction considered here, the seller decides how many costumers with unit demand to serve after observing their bids. Bidders are uncertain about the seller’s cost. We experimentally investigate whether a uniform or a discriminatory price auction is better for the seller in this setting. Exactly as predicted by theory, it turns out that the uniform price auction produces s...

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